Guidance

TAG: economic impacts worksheets

Transport analysis guidance (TAG) economic impact worksheets used to present the results of a scheme appraisal as part of a business case.

• From: Department for Transport
• Published: 31 May 2019
• Last updated: 11 December 2025
  Show all updates

  1. 11 December 2025

     Base year changed in wider impacts spreadsheet.

  2. 26 February 2025

     Corrected wider impacts dataset added.

  3. 17 October 2024

     Corrected wider impacts dataset added.

  4. 8 July 2024

     There is an error with the wider impacts dataset. The issue will be fixed and the corrected version will be re-uploaded in due course.

  5. 30 May 2024

     Wider impacts dataset updated.

  6. 30 July 2021

     Updated TAG wider impacts dataset and removed sensitivity testing document.

  7. 23 July 2020

     Replaced wider impacts dataset and added new dataset: wider impacts dataset - sensitivity testing.

  8. 29 May 2020

     Updated Functional Urban Regions Lookup Workbook. Moved to a MSOA-based (2011 data) approach using similar method to before. Also supplied map in sheet within workbook.

  9. 31 May 2019

     First published.

Documents

Functional urban regions lookup workbook

MS Excel Spreadsheet, 496 KB

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Valuing dependent development workbook

MS Excel Spreadsheet, 87.3 KB

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Wider impacts dataset

1.45 MB

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Details

These worksheets are used to present the results of a scheme appraisal as part of the business case.

TAG provides information on the role of transport modelling and appraisal, and how the transport appraisal process supports the development of investment decisions to support a business case.